(E)-1-(2,3,6-trimethylphenyl)buta-1,3-diene: a potent grape-derived odorant in wine.

J Agric Food Chem

School of Chemistry, Physics and Earth Sciences, Flinders University of South Australia, PO Box 2100, Adelaide, South Australia 5001, Australia.

Published: December 2003


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Article Abstract

(E)-1-(2,3,6-Trimethylphenyl)buta-1,3-diene (TPB) was identified as a potent odorant in acid hydrolysates of crude glycoconjugate fractions isolated from grapes and grape vine leaves. TPB was also identified in a Semillon wine, using gas chromatography/mass spectrometry, by co-injection with an authentic sample. TPB had an aroma detection threshold of 40 ng/L in a neutral white wine and the concentration of TPB in four out of five white wines analyzed ranged from 50 to 210 ng/L.

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http://dx.doi.org/10.1021/jf0347113DOI Listing

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